Quick connecting cylinder air leakage tester



FIG. 1 is a left side elevational view of a quick connecting cylinder air leakage tester showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is an inverted top plan view thereof. 

The ornamental design for a quick connecting cylinder air leakage tester, as shown and described. 